MERRA-2 or MERRA has multiple processing streams, what are the transition dates?

[GES DISC - ingridgs]

Answer:

MERRA-2 was run in four production streams. Each of the streams covers an approximately 10-year period. The fourth stream begins on 1 January 2011. Note that the filename prefix was changed if a data file was reprocessed. Click here to view the records of MERRA-2 reprocessed data and how the filename is changed.

Stream number Filename Prefix Begin_date End_date
1 MERRA2_100 1980.01.01 1991.12.31
2 MERRA2_200 1992.01.01 2000.12.31
3 MERRA2_300 2001.01.01 2010.12.31
4 MERRA2_400 2011.01.01 present


MERRA was run in three production streams as shown in the table below. Note that the filename prefix was changed if a data file was reprocessed. Click here to view the record of MERRA reprocessed data and how the filename is changed.

Stream number Filename Prefix Begin_date End_date
1 MERRA100 1979.01.01 1992.12.31
2 MERRA200 1993.01.01 2000.12.31
3 MERRA300 2001.01.01 2016.02.29